<template>
  <div>
    <!--    面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--    卡片视图区域-->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <div>
            <el-input placeholder="请输入内容" v-model="queryInfo.query"
                      clearable @clear="getUserList">
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </div>
        </el-col>
        <el-col :span="4">
          <div>
            <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
          </div>
        </el-col>
      </el-row>

      <!--      用户列表区域-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="角色" prop="roleName"></el-table-column>
        <el-table-column label="创建时间" prop="createTime"></el-table-column>
        <el-table-column label="手机号" prop="mobile"></el-table-column>
        <el-table-column label="状态">
          <!--          作用域插槽数据传递-->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip content="分配角色" effect="dark" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--      分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>

<!--      添加用户对话框-->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
<!--        主体 model数据绑定，rules校验规则-->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

<!--      更改用户对话框-->
      <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="角色">
            <el-input v-model="editForm.roleName"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
      </el-dialog>

      <!-- 分配角色对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
        <div>
          <p>当前的用户: {{userInfo.username}}</p>
          <p>当前的角色: {{userInfo.roleName}}</p>
          <p>分配新角色:
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
      </el-dialog>
    </el-card>

  </div>
</template>

<script>
export default {
  name: 'users',
  data() {
    // 验证邮箱
    const checkEmail = (rule, value, callback) => {
      const regEmail = /^([a-zA-Z0-9])+@([a-zA-Z0-9_-])+([a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法的邮箱！'));
    };
    // 验证手机号
    const checkMobile = (rule, value, callback) => {
      const regMobile = /(^1\d{10}$)|(^[0-9]\d{7}$)/;
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法的手机号！'));
    };

    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editForm: {

      },
      editFormRules: {
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      setRoleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      selectedRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo });
      console.log(res)
      if (res.code !== 200) {
        return this.$message.error('获取用户列表失败！')
      }
      this.userList = res.data;
      this.total = res.total;
    },
    // 监听pagesize改变
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码页改变
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.state}`)
      console.log(res)
      if (res.code !== 200) {
        userinfo.state = !userinfo.state;
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 添加用户关闭
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) {
          return
        }
        // 添加用户请求
        const { data: res } = await this.$http.post('users', this.addForm);
        console.log(res)
        if (res.code !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        // 隐藏添加用户对话框
        this.addDialogVisible = false;
        await this.getUserList();
      })
    },
    // 展示编辑
    async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id);
      if (res.code !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 修改对话框关闭
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户提交
    editUserInfo() {
      // 预校验
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return
        }
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          roleName: this.editForm.roleName,
          mobile: this.editForm.mobile
        });
        if (res.code !== 200) {
          return this.$message.error('更改用户失败！')
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据
        await this.getUserList()
        // 提示成功
        this.$message.success('更改用户成功！')
      })
    },
    // 确认删除
    async removeUserById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err);
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id);
      if (res.code !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      await this.getUserList()
    },
    // 分配橘色
    async setRole(userInfo) {
      this.userInfo = userInfo
      const { data: res } = await this.$http.get('roles')
      if (res.code !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId
      })
      if (res.code !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色成功！')
      await this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style scoped>
.el-table {
  margin-top: 15px;
  font-size: 12px;
}

.el-pagination {
  margin-top: 15px;
}
</style>
